Amazing Body Systems: Respiratory System

Amazing Body Systems: Respiratory System book cover — TABLE OF CONTENTS CHAPTER 1 Your Lungs 4 CHAPTER 2 Breathe In 10 CHAPTER 3 Breathe Out 16 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24

Amazing Body Systems: Respiratory System — page 1 — CHAPTER 1 YOUR LUNGS 4 CHAPTER 1 You breathe in You breathe out You do this every second of every day

Amazing Body Systems: Respiratory System — page 2 — CHAPTER 1 5 You don’t even think about it And yet breathing is one of the most important things your body does You breathe to live Humans need the oxygen in the air Oxygen unlocks the body’s energy

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